‘Choose kind’ might sound like the awkward cousin of everyone’s favourite Trainspotting quote but it is, in fact, the fundamental precept of R. J. Palacio’s bestselling book – and now Stephen Chbosky’s film adaptation – Wonder. Cinema’s answer to positive-affirmation woodblocks (‘You can’t blend in when you were born to stand out’), the new film might not live up to the promise of its name and premise but no one could ever deny that its heart is in absolutely the right place.